This thoroughly tested casebook presents true stories of innovation that capture the dilemmas, frustrations, and accomplishments of elementary and middle school teachers as they navigate environments with complex issues of change. The cases have the following elements in common: 1) all provide a factually correct, thorough account of a teacher's pedagogy in the context of change, 2) all analyze the contents of teaching and learning, 3) all link the cases to teacher performance standards developed by the INTASC, and 4) all contain specific lesson plans and examples of students' work.